Two Iowa teenagers have been charged with murdering a local Spanish teacher after police discovered incriminating social media posts. Nohema Graber, 66, was found dead in a park in the city of Fairfield, several hours after being reported missing, authorities said. Police say the suspects posted details of the killing, efforts to hide it and a possible motive to social media. The teenagers, both 16, will be tried as adults for the murder... ...Early investigations suggested she had suffered "trauma to the head", the documents show. Ms Graber's body was found hidden under a tarpaulin, wheelbarrow and railway sleepers. Authorities...